basic

Magnetic Flux from Field, Area, and Angle Calculator

Φ = B·A·cos θ — flux through a surface.

Calculates magnetic flux Φ = B·A·cos θ and the induced EMF ε = −ΔΦ/Δt for a coil of N turns rotating in a uniform field.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

T
m²
°
s
°

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Φ = B·A·cos θ; ε = −N·ΔΦ/Δt

In depth

Calculates magnetic flux Φ = B·A·cos θ and the induced EMF ε = −ΔΦ/Δt for a coil of N turns rotating in a uniform field.